Letters to the editor: 'The open letter calling for a return to civility is a soothing but useless balm for a gaping wound.' Healing our public discourse, plus other letters to the editor for April 4 theglobeandmail.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theglobeandmail.com Daily Mail and Mail on Sunday newspapers.